Inventor

David A. Underwood

Inventor
Arlington, VA, US

Overview

5→
Patents
1991–2019
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing43%
A61BDiagnosis29%
H04NPictorial communication, e.g. television14%
LOC1214%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to CARDIONICS INC (1)· patent assignee history
1991Based in Houston, TX, US· patent location history
1997Patents assigned to INTEL CORP (1)· patent assignee history
1997Based in Scappoose, OR, US· patent location history
2005Based in Ontario, CA· patent location history
2017–2019Patents assigned to APPLE INC (2)· patent assignee history
2017–2019Based in Arlington, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLE INC22017–2019
CARDIONICS INC11991
INTEL CORP11997
Locations
LocationPatentsSpan
Arlington, Virginia, US22017–2019
Ontario, CA12005
Scappoose, OR, US11997
Houston, Texas, US11991